1217415720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{32621}}^1$

素因数の和:32946

約数の個数: 64

約数和(自身を含む): 3664103040

約数和(自身を除く): 2446687320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3732, 4665, 6220, 7464, 9330, 12440, 18660, 32621, 37320, 65242, 97863, 130484, 163105, 195726, 260968, 326210, 391452, 489315, 652420, 782904, 978630, 1304840, 1957260, 3914520, 10145131, 20290262, 30435393, 40580524, 50725655, 60870786, 81161048, 101451310, 121741572, 152176965, 202902620, 243483144, 304353930, 405805240, 608707860, 1217415720]

約数ペア:

[(1, 1217415720), (2, 608707860), (3, 405805240), (4, 304353930), (5, 243483144), (6, 202902620), (8, 152176965), (10, 121741572), (12, 101451310), (15, 81161048), (20, 60870786), (24, 50725655), (30, 40580524), (40, 30435393), (60, 20290262), (120, 10145131), (311, 3914520), (622, 1957260), (933, 1304840), (1244, 978630), (1555, 782904), (1866, 652420), (2488, 489315), (3110, 391452), (3732, 326210), (4665, 260968), (6220, 195726), (7464, 163105), (9330, 130484), (12440, 97863), (18660, 65242), (32621, 37320)]